class student extends actor { 
   student  

  public void talk() { System.out.println("OOP"); }
  public void think() { System.out.println("Z"); }
  };
  

  class employer extends actor { 
   employer  

  public void talk() { System.out.println("money"); }
  public void act() { System.out.println("business"); }
  };
slide: Students and Employers